GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Avalanche - 2WD 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Engine Oil Level Sensor and/or Switch Replacement

Removal Procedure

    Object Number: 1658109 Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Place a suitable drain pan under the oil pan drain plug.
  3. Remove the oil pan drain plug (430).
  4. Allow the oil pan to drain completely.
  5. Re-install the oil pan drain plug until snug.
  6. Remove the drain pan from under the vehicle.

    7. Object Number: 1698087 Size: SH
  7. Disconnect the engine harness electrical connector (4) from the oil level sensor.

    8. Object Number: 260123 Size: SH
  8. Remove the oil level sensor from the oil pan.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 260123 Size: SH
  1. Install the oil level sensor to the oil pan.

    2. Tighten
    Tighten the sensor to 20 N·m (15 lb ft).


    Object Number: 1698087 Size: SH
  2. Connect the engine harness electrical connector (4) to the oil level sensor.

    3. Object Number: 1658109 Size: SH
  3. Ensure that the oil pan drain plug is tight.

    4. Tighten
    Tighten the drain plug to 25 N·m (18 lb ft).

  4. Lower the vehicle.
  5. Fill the engine with NEW engine oil. Refer to Fluid and Lubricant Recommendations and Approximate Fluid Capacities .
  6. Start the engine and inspect for leaks.